/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --ds-green: #0A2E1F;
      --ds-neon: #3FE88E;
      --ds-amber: #FF8C2E;
      --ds-dark: #0F0F0F;
      --ds-card: #081B13;
      --text-primary: #F2F2F2;
      --text-secondary: #B0BEC5;
      --glass-bg: rgba(8, 27, 19, 0.6);
      --glass-border: rgba(63, 232, 142, 0.15);
      --glass-blur: blur(18px);
      --radius-card: 16px;
      --radius-btn: 50px;
      --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
      --shadow-hover: 0 12px 40px rgba(63, 232, 142, 0.25);
    }
    
    * {
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
      background-color: var(--ds-dark);
      color: var(--text-primary);
      line-height: 1.7;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
    }
    
    .btn-primary {
      background-color: var(--ds-neon);
      color: var(--ds-green);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      box-shadow: 0 0 20px rgba(63, 232, 142, 0.5);
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: none;
      cursor: pointer;
      letter-spacing: 0.3px;
    }
    
    .btn-primary:hover {
      box-shadow: 0 0 35px rgba(63, 232, 142, 0.8);
      background-color: #5af09e;
      transform: scale(1.03);
    }
    
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--ds-neon);
      color: var(--ds-neon);
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      transition: all 0.25s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }
    
    .btn-outline:hover {
      background: rgba(63, 232, 142, 0.08);
    }
    
    .text-gradient {
      background: linear-gradient(135deg, #3FE88E 0%, #A5F3C5 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    
    .hover-lift {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .hover-lift:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      letter-spacing: -0.3px;
      margin-bottom: 0.75rem;
    }
    
    .section-sub {
      color: var(--text-secondary);
      font-size: 1.125rem;
      max-width: 700px;
      margin: 0 auto 2.5rem auto;
    }
    
    .mobile-tab-icon {
      width: 24px;
      height: 24px;
      stroke: currentColor;
      fill: none;
      stroke-width: 1.8;
    }
    
    @media (max-width: 768px) {
      .section-title {
        font-size: 1.75rem;
      }
      .glass-card {
        border-radius: 12px;
      }
      .btn-primary, .btn-outline {
        padding: 0.65rem 1.5rem;
        font-size: 0.95rem;
      }
    }
    
    /* 自定义滚动条 */
    ::-webkit-scrollbar {
      width: 6px;
    }
    ::-webkit-scrollbar-track {
      background: var(--ds-dark);
    }
    ::-webkit-scrollbar-thumb {
      background: var(--ds-neon);
      border-radius: 8px;
    }